Pomona CA, US: 34.0667, -117.7506
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 27, 2019, midnight | 3.6 ppb (3) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (26) | 0.18 ppb (2) | N/A | N/A | 26.0 | |
| May 26, 2019, 11 p.m. | 4.5 ppb (4) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 35.0 ppb (27) | 0.19 ppb (2) | N/A | N/A | 27.0 | |
| May 26, 2019, 10 p.m. | 2.7 ppb (3) | 0.8 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | 0.18 ppb (2) | N/A | N/A | 28.0 | |
| May 26, 2019, 9 p.m. | 2.9 ppb (3) | 0.9 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 38.0 ppb (29) | 0.18 ppb (2) | N/A | N/A | 29.0 | |
| May 26, 2019, 8 p.m. | 3.3 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 37.0 ppb (28) | 0.18 ppb (2) | N/A | N/A | 28.0 | |
| May 26, 2019, 7 p.m. | 3.8 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 35.0 ppb (27) | 0.18 ppb (2) | N/A | N/A | 27.0 | |
| May 26, 2019, 6 p.m. | 7.0 ppb (6) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (23) | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| May 26, 2019, 5 p.m. | 5.3 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (23) | 0.18 ppb (2) | N/A | N/A | 23.0 | |
| May 26, 2019, 4 p.m. | 3.5 ppb (3) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 29.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| May 26, 2019, 3 p.m. | 1.6 ppb (1) | 0.4 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 30.0 ppb (23) | 0.16 ppb (2) | N/A | N/A | 23.0 | |
| May 26, 2019, 2 p.m. | 7.3 ppb (7) | 3.6 ppb (3) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| May 26, 2019, 1 p.m. | 1.3 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 29.0 ppb (22) | 0.15 ppb (2) | N/A | N/A | 22.0 | |
| May 26, 2019, noon | 1.9 ppb (2) | -0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 28.0 ppb (22) | 0.16 ppb (2) | N/A | N/A | 22.0 | |
| May 26, 2019, 11 a.m. | 3.7 ppb (3) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 26.0 ppb (20) | 0.16 ppb (2) | N/A | N/A | 20.0 | |
| May 26, 2019, 10 a.m. | 1.4 ppb (1) | 0.1 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | 30.0 ppb (23) | 0.16 ppb (2) | N/A | N/A | 23.0 | |
| May 26, 2019, 9 a.m. | 3.0 ppb (3) | 0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 27.0 ppb (21) | 0.18 ppb (2) | N/A | N/A | 21.0 | |
| May 26, 2019, 8 a.m. | 6.1 ppb (6) | 0.2 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | 0.22 ppb (2) | N/A | N/A | 18.0 | |
| May 26, 2019, 7 a.m. | 4.5 ppb (4) | 0.5 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 26.0 ppb (20) | 0.22 ppb (2) | N/A | N/A | 20.0 | |
| May 26, 2019, 6 a.m. | 6.6 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| May 26, 2019, 5 a.m. | 5.6 ppb (5) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 27.0 ppb (21) | 0.22 ppb (2) | N/A | N/A | 21.0 | |
| May 26, 2019, 4 a.m. | 6.6 ppb (6) | 0.7 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 27.0 ppb (21) | 0.21 ppb (2) | N/A | N/A | 21.0 | |
| May 26, 2019, 3 a.m. | 6.2 ppb (6) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (22) | 0.21 ppb (2) | N/A | N/A | 22.0 | |
| May 26, 2019, 2 a.m. | 5.2 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | 0.2 ppb (2) | N/A | N/A | 25.0 | |
| May 26, 2019, 1 a.m. | 4.6 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | 0.2 ppb (2) | N/A | N/A | 28.0 | |
| May 26, 2019, midnight | 5.5 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 41.0 ppb (32) | 0.19 ppb (2) | N/A | N/A | 32.0 | |
| May 25, 2019, 11 p.m. | 4.2 ppb (4) | 0.8 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 44.0 ppb (34) | 0.19 ppb (2) | N/A | N/A | 34.0 | |
| May 25, 2019, 10 p.m. | 3.3 ppb (3) | 0.7 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 46.0 ppb (35) | 0.2 ppb (2) | N/A | N/A | 35.0 | |
| May 25, 2019, 9 p.m. | 4.7 ppb (4) | 1.3 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 47.0 ppb (36) | 0.21 ppb (2) | N/A | N/A | 36.0 | |
| May 25, 2019, 8 p.m. | 4.7 ppb (4) | 1.1 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 46.0 ppb (35) | 0.21 ppb (2) | N/A | N/A | 35.0 | |
| May 25, 2019, 7 p.m. | 6.9 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (33) | 0.23 ppb (3) | N/A | N/A | 33.0 | |
| May 25, 2019, 6 p.m. | 7.9 ppb (7) | 2.5 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (28) | 0.25 ppb (3) | N/A | N/A | 28.0 | |
| May 25, 2019, 5 p.m. | 10.6 ppb (10) | 3.4 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | 0.26 ppb (3) | N/A | N/A | 23.0 | |
| May 25, 2019, 4 p.m. | 11.3 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | 0.26 ppb (3) | N/A | N/A | 20.0 | |
| May 25, 2019, 3 p.m. | 14.0 ppb (13) | 5.1 ppb (5) | N/A | 9.0 ppb (8) | N/A | N/A | 23.0 ppb (18) | 0.28 ppb (3) | N/A | N/A | 18.0 | |
| May 25, 2019, 2 p.m. | 27.7 ppb (26) | 12.7 ppb (12) | N/A | 15.0 ppb (14) | N/A | N/A | 17.0 ppb (13) | 0.35 ppb (4) | N/A | N/A | 26.0 | |
| May 25, 2019, 1 p.m. | 34.4 ppb (32) | 19.1 ppb (18) | N/A | 15.0 ppb (14) | N/A | N/A | 4.0 ppb (3) | 0.47 ppb (5) | N/A | N/A | 32.0 | |
| May 25, 2019, noon | 28.1 ppb (26) | 12.3 ppb (11) | N/A | 16.0 ppb (15) | N/A | N/A | 3.0 ppb (2) | 0.43 ppb (5) | N/A | N/A | 26.0 | |
| May 25, 2019, 11 a.m. | 36.0 ppb (33) | 16.3 ppb (15) | N/A | 20.0 ppb (19) | N/A | N/A | 2.0 ppb (2) | 0.51 ppb (6) | N/A | N/A | 33.0 | |
| May 25, 2019, 10 a.m. | 22.1 ppb (20) | 2.8 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 4.0 ppb (3) | 0.38 ppb (4) | N/A | N/A | 20.0 | |
| May 25, 2019, 9 a.m. | 23.0 ppb (21) | 2.2 ppb (2) | N/A | 21.0 ppb (19) | N/A | N/A | 6.0 ppb (5) | 0.37 ppb (4) | N/A | N/A | 21.0 | |
| May 25, 2019, 8 a.m. | 23.4 ppb (22) | 1.8 ppb (2) | N/A | 22.0 ppb (20) | N/A | N/A | 8.0 ppb (6) | 0.39 ppb (4) | N/A | N/A | 22.0 | |
| May 25, 2019, 7 a.m. | 19.2 ppb (18) | 1.8 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 13.0 ppb (10) | 0.33 ppb (4) | N/A | N/A | 18.0 | |
| May 25, 2019, 6 a.m. | 16.0 ppb (15) | 1.6 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | 16.0 ppb (12) | 0.36 ppb (4) | N/A | N/A | 15.0 | |
| May 25, 2019, 5 a.m. | 14.5 ppb (13) | 1.8 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | 19.0 ppb (15) | 0.28 ppb (3) | N/A | N/A | 15.0 | |
| May 25, 2019, 4 a.m. | 12.9 ppb (12) | 1.1 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 22.0 ppb (17) | 0.27 ppb (3) | N/A | N/A | 17.0 | |
| May 25, 2019, 3 a.m. | 12.7 ppb (12) | 1.6 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 27.0 ppb (21) | 0.26 ppb (3) | N/A | N/A | 21.0 | |
| May 25, 2019, 2 a.m. | 13.5 ppb (12) | 1.8 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 30.0 ppb (23) | 0.26 ppb (3) | N/A | N/A | 23.0 | |
| May 25, 2019, 1 a.m. | 13.7 ppb (13) | 2.5 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 35.0 ppb (27) | 0.27 ppb (3) | N/A | N/A | 27.0 | |
| May 25, 2019, midnight | 17.3 ppb (16) | 4.4 ppb (4) | N/A | 13.0 ppb (12) | N/A | N/A | 38.0 ppb (29) | 0.3 ppb (3) | N/A | N/A | 29.0 | |
| May 24, 2019, 11 p.m. | 18.9 ppb (18) | 5.7 ppb (5) | N/A | 13.0 ppb (12) | N/A | N/A | 40.0 ppb (31) | 0.29 ppb (3) | N/A | N/A | 31.0 | |
| May 24, 2019, 10 p.m. | 14.7 ppb (14) | 3.6 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | 43.0 ppb (33) | 0.31 ppb (3) | N/A | N/A | 33.0 | |
| May 24, 2019, 9 p.m. | 11.2 ppb (10) | 3.4 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 40.0 ppb (31) | 0.27 ppb (3) | N/A | N/A | 31.0 | |
| May 24, 2019, 8 p.m. | 8.2 ppb (8) | 2.5 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 39.0 ppb (30) | 0.23 ppb (3) | N/A | N/A | 30.0 | |
| May 24, 2019, 7 p.m. | 7.1 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 37.0 ppb (28) | 0.23 ppb (3) | N/A | N/A | 28.0 | |
| May 24, 2019, 6 p.m. | 11.7 ppb (11) | 4.6 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | 0.25 ppb (3) | N/A | N/A | 23.0 | |
| May 24, 2019, 5 p.m. | 22.1 ppb (20) | 8.9 ppb (8) | N/A | 13.0 ppb (12) | N/A | N/A | 24.0 ppb (18) | 0.32 ppb (4) | N/A | N/A | 20.0 | |
| May 24, 2019, 4 p.m. | 31.1 ppb (29) | 13.4 ppb (12) | N/A | 18.0 ppb (17) | N/A | N/A | 20.0 ppb (15) | 0.37 ppb (4) | N/A | N/A | 29.0 | |
| May 24, 2019, 3 p.m. | 54.6 ppb (51) | 30.7 ppb (28) | N/A | 24.0 ppb (22) | N/A | N/A | 11.0 ppb (8) | 0.54 ppb (6) | N/A | N/A | 51.0 | |
| May 24, 2019, 2 p.m. | 71.8 ppb (69) | 48.2 ppb (45) | N/A | 24.0 ppb (22) | N/A | N/A | 6.0 ppb (5) | 0.64 ppb (7) | N/A | N/A | 69.0 | |
| May 24, 2019, 1 p.m. | 92.7 ppb (91) | 73.9 ppb (71) | N/A | 19.0 ppb (18) | N/A | N/A | 3.0 ppb (2) | 0.83 ppb (9) | N/A | N/A | 91.0 | |
| May 24, 2019, noon | 57.7 ppb (54) | 42.8 ppb (40) | N/A | 15.0 ppb (14) | N/A | N/A | 2.0 ppb (2) | 0.69 ppb (8) | N/A | N/A | 54.0 | |
| May 24, 2019, 11 a.m. | 32.2 ppb (30) | 18.7 ppb (17) | N/A | 14.0 ppb (13) | N/A | N/A | 2.0 ppb (2) | 0.38 ppb (4) | N/A | N/A | 30.0 | |
| May 24, 2019, 10 a.m. | 31.7 ppb (29) | 16.9 ppb (16) | N/A | 15.0 ppb (14) | N/A | N/A | 2.0 ppb (2) | 0.37 ppb (4) | N/A | N/A | 29.0 | |
| May 24, 2019, 9 a.m. | 28.8 ppb (27) | 12.4 ppb (11) | N/A | 16.0 ppb (15) | N/A | N/A | 2.0 ppb (2) | 0.41 ppb (5) | N/A | N/A | 27.0 | |
| May 24, 2019, 8 a.m. | 34.9 ppb (32) | 13.5 ppb (12) | N/A | 21.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | 0.48 ppb (5) | N/A | N/A | 32.0 | |
| May 24, 2019, 7 a.m. | 40.5 ppb (38) | 17.2 ppb (16) | N/A | 23.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | 0.51 ppb (6) | N/A | N/A | 38.0 | |
| May 24, 2019, 6 a.m. | 30.9 ppb (29) | 10.7 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | 0.48 ppb (5) | N/A | N/A | 29.0 | |
| May 24, 2019, 5 a.m. | 18.6 ppb (17) | 2.7 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | 9.0 ppb (7) | 0.35 ppb (4) | N/A | N/A | 17.0 | |
| May 24, 2019, 4 a.m. | 15.7 ppb (15) | 2.7 ppb (3) | N/A | 13.0 ppb (12) | N/A | N/A | 14.0 ppb (11) | 0.32 ppb (4) | N/A | N/A | 15.0 | |
| May 24, 2019, 3 a.m. | 15.7 ppb (15) | 2.1 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 16.0 ppb (12) | 0.3 ppb (3) | N/A | N/A | 15.0 | |
| May 24, 2019, 2 a.m. | 13.8 ppb (13) | 1.9 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 19.0 ppb (15) | 0.3 ppb (3) | N/A | N/A | 15.0 | |
| May 24, 2019, 1 a.m. | 19.1 ppb (18) | 4.0 ppb (4) | N/A | 15.0 ppb (14) | N/A | N/A | 18.0 ppb (14) | 0.33 ppb (4) | N/A | N/A | 18.0 | |
| May 24, 2019, midnight | 12.6 ppb (12) | 1.4 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 20.0 ppb (15) | 0.27 ppb (3) | N/A | N/A | 15.0 | |
| May 23, 2019, 11 p.m. | 17.8 ppb (16) | 3.3 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | 18.0 ppb (14) | 0.3 ppb (3) | N/A | N/A | 16.0 | |
| May 23, 2019, 10 p.m. | 12.3 ppb (11) | 2.2 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 21.0 ppb (16) | 0.27 ppb (3) | N/A | N/A | 16.0 | |
| May 23, 2019, 9 p.m. | 12.3 ppb (11) | 1.6 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 21.0 ppb (16) | 0.25 ppb (3) | N/A | N/A | 16.0 | |
| May 23, 2019, 8 p.m. | 16.7 ppb (15) | 4.3 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | 22.0 ppb (17) | 0.28 ppb (3) | N/A | N/A | 17.0 | |
| May 23, 2019, 7 p.m. | 9.1 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | 0.24 ppb (3) | N/A | N/A | 19.0 | |
| May 23, 2019, 6 p.m. | 11.4 ppb (11) | 1.6 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 23.0 ppb (18) | 0.23 ppb (3) | N/A | N/A | 18.0 | |
| May 23, 2019, 5 p.m. | 34.4 ppb (32) | 11.2 ppb (10) | N/A | 23.0 ppb (21) | N/A | N/A | 11.0 ppb (8) | 0.39 ppb (4) | N/A | N/A | 32.0 | |
| May 23, 2019, 4 p.m. | 28.5 ppb (26) | 6.7 ppb (6) | N/A | 22.0 ppb (20) | N/A | N/A | 11.0 ppb (8) | 0.35 ppb (4) | N/A | N/A | 26.0 | |
| May 23, 2019, 3 p.m. | 28.9 ppb (27) | 7.7 ppb (7) | N/A | 21.0 ppb (19) | N/A | N/A | 9.0 ppb (7) | 0.37 ppb (4) | N/A | N/A | 27.0 | |
| May 23, 2019, 2 p.m. | 33.9 ppb (31) | 9.7 ppb (9) | N/A | 24.0 ppb (22) | N/A | N/A | 5.0 ppb (4) | 0.38 ppb (4) | N/A | N/A | 31.0 | |
| May 23, 2019, 1 p.m. | 34.9 ppb (32) | 10.5 ppb (10) | N/A | 24.0 ppb (22) | N/A | N/A | 5.0 ppb (4) | 0.4 ppb (4) | N/A | N/A | 32.0 | |
| May 23, 2019, noon | 29.7 ppb (28) | 4.7 ppb (4) | N/A | 25.0 ppb (23) | N/A | N/A | 4.0 ppb (3) | 0.43 ppb (5) | N/A | N/A | 28.0 | |
| May 23, 2019, 11 a.m. | 24.8 ppb (23) | 3.2 ppb (3) | N/A | 22.0 ppb (20) | N/A | N/A | 7.0 ppb (5) | 0.36 ppb (4) | N/A | N/A | 23.0 | |
| May 23, 2019, 10 a.m. | 23.6 ppb (22) | 1.8 ppb (2) | N/A | 22.0 ppb (20) | N/A | N/A | 8.0 ppb (6) | 0.35 ppb (4) | N/A | N/A | 22.0 | |
| May 23, 2019, 9 a.m. | 23.6 ppb (22) | 3.3 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 6.0 ppb (5) | 0.4 ppb (4) | N/A | N/A | 22.0 | |
| May 23, 2019, 8 a.m. | 28.0 ppb (26) | 6.7 ppb (6) | N/A | 21.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | 0.46 ppb (5) | N/A | N/A | 26.0 | |
| May 23, 2019, 7 a.m. | 37.3 ppb (35) | 10.2 ppb (9) | N/A | 27.0 ppb (25) | N/A | N/A | 3.0 ppb (2) | 0.51 ppb (6) | N/A | N/A | 35.0 | |
| May 23, 2019, 6 a.m. | 20.7 ppb (19) | 1.9 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | 8.0 ppb (6) | 0.4 ppb (4) | N/A | N/A | 19.0 | |
| May 23, 2019, 5 a.m. | 23.2 ppb (21) | 1.1 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | 10.0 ppb (8) | 0.34 ppb (4) | N/A | N/A | 21.0 | |
| May 23, 2019, 4 a.m. | 18.5 ppb (17) | 0.4 ppb (0) | N/A | 18.0 ppb (17) | N/A | N/A | 20.0 ppb (15) | 0.28 ppb (3) | N/A | N/A | 17.0 | |
| May 23, 2019, 3 a.m. | 20.3 ppb (19) | 0.5 ppb (0) | N/A | 20.0 ppb (19) | N/A | N/A | 22.0 ppb (17) | 0.3 ppb (3) | N/A | N/A | 19.0 | |
| May 23, 2019, 2 a.m. | 11.1 ppb (10) | 0.2 ppb (0) | N/A | 11.0 ppb (10) | N/A | N/A | 32.0 ppb (25) | 0.23 ppb (3) | N/A | N/A | 25.0 | |
| May 23, 2019, 1 a.m. | 8.6 ppb (8) | 0.7 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 37.0 ppb (28) | 0.21 ppb (2) | N/A | N/A | 28.0 | |
| May 23, 2019, midnight | 12.0 ppb (11) | 2.1 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 35.0 ppb (27) | 0.23 ppb (3) | N/A | N/A | 27.0 | |
| May 22, 2019, 11 p.m. | 12.6 ppb (12) | 2.8 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 32.0 ppb (25) | 0.24 ppb (3) | N/A | N/A | 25.0 | |
| May 22, 2019, 10 p.m. | 11.2 ppb (10) | 1.2 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 30.0 ppb (23) | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| May 22, 2019, 9 p.m. | 9.0 ppb (8) | 0.2 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | 30.0 ppb (23) | 0.23 ppb (3) | N/A | N/A | 23.0 | |
| May 22, 2019, 8 p.m. | 7.5 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 31.0 ppb (24) | 0.21 ppb (2) | N/A | N/A | 24.0 | |
| May 22, 2019, 7 p.m. | 9.4 ppb (9) | 2.8 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | 32.0 ppb (25) | 0.22 ppb (2) | N/A | N/A | 25.0 | |
| May 22, 2019, 6 p.m. | 10.7 ppb (10) | 3.3 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | 0.24 ppb (3) | N/A | N/A | 23.0 | |
| May 22, 2019, 5 p.m. | 8.1 ppb (8) | 2.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | 0.2 ppb (2) | N/A | N/A | 22.0 | |
| May 22, 2019, 4 p.m. | 6.8 ppb (6) | 2.3 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | 0.19 ppb (2) | N/A | N/A | 22.0 | |
| May 22, 2019, 3 p.m. | 8.1 ppb (8) | 2.4 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | 0.21 ppb (2) | N/A | N/A | 19.0 | |
| May 22, 2019, 2 p.m. | 26.9 ppb (25) | 13.2 ppb (12) | N/A | 14.0 ppb (13) | N/A | N/A | 19.0 ppb (15) | 0.25 ppb (3) | N/A | N/A | 25.0 | |
| May 22, 2019, 1 p.m. | 24.6 ppb (23) | 5.9 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 16.0 ppb (12) | 0.27 ppb (3) | N/A | N/A | 23.0 | |
| May 22, 2019, noon | 19.6 ppb (18) | 2.1 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | 14.0 ppb (11) | 0.27 ppb (3) | N/A | N/A | 18.0 | |
| May 22, 2019, 11 a.m. | 21.3 ppb (20) | 1.5 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | 11.0 ppb (8) | 0.22 ppb (2) | N/A | N/A | 20.0 | |
| May 22, 2019, 10 a.m. | 22.6 ppb (21) | 2.0 ppb (2) | N/A | 21.0 ppb (19) | N/A | N/A | 8.0 ppb (6) | 0.25 ppb (3) | N/A | N/A | 21.0 | |
| May 22, 2019, 9 a.m. | 18.4 ppb (17) | 1.3 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | 8.0 ppb (6) | 0.24 ppb (3) | N/A | N/A | 17.0 | |
| May 22, 2019, 8 a.m. | 7.8 ppb (7) | 0.3 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 16.0 ppb (12) | 0.23 ppb (3) | N/A | N/A | 12.0 | |
| May 22, 2019, 7 a.m. | 8.0 ppb (7) | 0.2 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 21.0 ppb (16) | 0.18 ppb (2) | N/A | N/A | 16.0 | |
| May 22, 2019, 6 a.m. | 8.2 ppb (8) | 0.4 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | 22.0 ppb (17) | 0.19 ppb (2) | N/A | N/A | 17.0 | |
| May 22, 2019, 5 a.m. | 7.1 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | 0.19 ppb (2) | N/A | N/A | 18.0 | |
| May 22, 2019, 4 a.m. | 9.1 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | 0.2 ppb (2) | N/A | N/A | 18.0 | |
| May 22, 2019, 3 a.m. | 6.5 ppb (6) | 1.1 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 26.0 ppb (20) | 0.2 ppb (2) | N/A | N/A | 20.0 | |
| May 22, 2019, 2 a.m. | 5.9 ppb (5) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | 0.19 ppb (2) | N/A | N/A | 22.0 | |
| May 22, 2019, 1 a.m. | 7.8 ppb (7) | 1.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | 0.22 ppb (2) | N/A | N/A | 23.0 | |
| May 22, 2019, midnight | 8.3 ppb (8) | 1.7 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 33.0 ppb (25) | 0.23 ppb (3) | N/A | N/A | 25.0 | |
| May 21, 2019, 11 p.m. | 5.6 ppb (5) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 35.0 ppb (27) | 0.21 ppb (2) | N/A | N/A | 27.0 | |
| May 21, 2019, 10 p.m. | 4.9 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (28) | 0.19 ppb (2) | N/A | N/A | 28.0 | |
| May 21, 2019, 9 p.m. | 5.7 ppb (5) | 1.7 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 38.0 ppb (29) | 0.19 ppb (2) | N/A | N/A | 29.0 | |
| May 21, 2019, 8 p.m. | 8.6 ppb (8) | 2.4 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 35.0 ppb (27) | 0.22 ppb (2) | N/A | N/A | 27.0 | |
| May 21, 2019, 7 p.m. | 6.8 ppb (6) | 1.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (26) | 0.21 ppb (2) | N/A | N/A | 26.0 | |
| May 21, 2019, 6 p.m. | 10.2 ppb (9) | 2.5 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | 32.0 ppb (25) | 0.22 ppb (2) | N/A | N/A | 25.0 | |
| May 21, 2019, 5 p.m. | 7.8 ppb (7) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 32.0 ppb (25) | 0.22 ppb (2) | N/A | N/A | 25.0 | |
| May 21, 2019, 4 p.m. | 5.3 ppb (5) | 1.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | 0.21 ppb (2) | N/A | N/A | 25.0 | |
| May 21, 2019, 3 p.m. | 7.3 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (24) | 0.22 ppb (2) | N/A | N/A | 24.0 | |
| May 21, 2019, 2 p.m. | 32.0 ppb (30) | 16.8 ppb (16) | N/A | 15.0 ppb (14) | N/A | N/A | 27.0 ppb (21) | 0.23 ppb (3) | N/A | N/A | 30.0 | |
| May 21, 2019, 1 p.m. | 9.0 ppb (8) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | 0.21 ppb (2) | N/A | N/A | 22.0 | |
| May 21, 2019, noon | 4.5 ppb (4) | 0.7 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (23) | 0.18 ppb (2) | N/A | N/A | 23.0 | |
| May 21, 2019, 11 a.m. | 4.1 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 28.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| May 21, 2019, 10 a.m. | 4.4 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 28.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| May 21, 2019, 9 a.m. | 2.3 ppb (2) | 0.1 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | 30.0 ppb (23) | 0.15 ppb (2) | N/A | N/A | 23.0 | |
| May 21, 2019, 8 a.m. | 2.5 ppb (2) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 31.0 ppb (24) | 0.16 ppb (2) | N/A | N/A | 24.0 | |
| May 21, 2019, 7 a.m. | 4.1 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| May 21, 2019, 6 a.m. | 7.4 ppb (7) | 0.3 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | 0.2 ppb (2) | N/A | N/A | 20.0 | |
| May 21, 2019, 5 a.m. | 6.0 ppb (6) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (22) | 0.21 ppb (2) | N/A | N/A | 22.0 | |
| May 21, 2019, 4 a.m. | 7.2 ppb (7) | 0.5 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 31.0 ppb (24) | 0.21 ppb (2) | N/A | N/A | 24.0 | |
| May 21, 2019, 3 a.m. | 6.3 ppb (6) | 0.6 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 33.0 ppb (25) | 0.21 ppb (2) | N/A | N/A | 25.0 | |
| May 21, 2019, 2 a.m. | 7.6 ppb (7) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 36.0 ppb (28) | 0.21 ppb (2) | N/A | N/A | 28.0 | |
| May 21, 2019, 1 a.m. | 6.8 ppb (6) | 0.9 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 41.0 ppb (32) | 0.2 ppb (2) | N/A | N/A | 32.0 | |
| May 21, 2019, midnight | 7.9 ppb (7) | 1.1 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 41.0 ppb (32) | 0.21 ppb (2) | N/A | N/A | 32.0 | |
| May 20, 2019, 11 p.m. | 6.7 ppb (6) | 1.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 42.0 ppb (32) | 0.2 ppb (2) | N/A | N/A | 32.0 | |
| May 20, 2019, 10 p.m. | 6.7 ppb (6) | 1.8 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 45.0 ppb (35) | 0.21 ppb (2) | N/A | N/A | 35.0 | |
| May 20, 2019, 9 p.m. | 9.3 ppb (9) | 2.3 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 42.0 ppb (32) | 0.22 ppb (2) | N/A | N/A | 32.0 | |
| May 20, 2019, 8 p.m. | 9.4 ppb (9) | 2.3 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 39.0 ppb (30) | 0.24 ppb (3) | N/A | N/A | 30.0 | |
| May 20, 2019, 7 p.m. | 8.9 ppb (8) | 2.2 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 38.0 ppb (29) | 0.24 ppb (3) | N/A | N/A | 29.0 | |
| May 20, 2019, 6 p.m. | 10.4 ppb (10) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | 34.0 ppb (26) | 0.24 ppb (3) | N/A | N/A | 26.0 | |
| May 20, 2019, 5 p.m. | 11.4 ppb (11) | 3.4 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 31.0 ppb (24) | 0.24 ppb (3) | N/A | N/A | 24.0 | |
| May 20, 2019, 4 p.m. | 12.2 ppb (11) | 4.0 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | 30.0 ppb (23) | 0.24 ppb (3) | N/A | N/A | 23.0 | |
| May 20, 2019, 3 p.m. | 14.9 ppb (14) | 4.0 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | 26.0 ppb (20) | 0.27 ppb (3) | N/A | N/A | 20.0 | |
| May 20, 2019, 2 p.m. | 24.4 ppb (23) | 6.7 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | 20.0 ppb (15) | 0.33 ppb (4) | N/A | N/A | 23.0 | |
| May 20, 2019, 1 p.m. | 38.0 ppb (35) | 15.6 ppb (14) | N/A | 22.0 ppb (20) | N/A | N/A | 14.0 ppb (11) | 0.36 ppb (4) | N/A | N/A | 35.0 | |
| May 20, 2019, noon | 16.7 ppb (15) | 1.4 ppb (1) | N/A | 15.0 ppb (14) | N/A | N/A | 18.0 ppb (14) | 0.27 ppb (3) | N/A | N/A | 15.0 | |
| May 20, 2019, 11 a.m. | 6.8 ppb (6) | 0.3 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 25.0 ppb (19) | 0.19 ppb (2) | N/A | N/A | 19.0 | |
| May 20, 2019, 10 a.m. | 4.1 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 28.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| May 20, 2019, 9 a.m. | 3.8 ppb (4) | -0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 28.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| May 20, 2019, 8 a.m. | 4.1 ppb (4) | -0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (22) | 0.17 ppb (2) | N/A | N/A | 22.0 | |
| May 20, 2019, 7 a.m. | 4.2 ppb (4) | 0.1 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 30.0 ppb (23) | 0.17 ppb (2) | N/A | N/A | 23.0 | |
| May 20, 2019, 6 a.m. | 2.6 ppb (2) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (25) | 0.17 ppb (2) | N/A | N/A | 25.0 | |
| May 20, 2019, 5 a.m. | 4.5 ppb (4) | 0.2 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 29.0 ppb (22) | 0.18 ppb (2) | N/A | N/A | 22.0 | |
| May 20, 2019, 4 a.m. | 5.5 ppb (5) | 0.9 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (23) | 0.18 ppb (2) | N/A | N/A | 23.0 | |
| May 20, 2019, 3 a.m. | 3.3 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (26) | 0.19 ppb (2) | N/A | N/A | 26.0 | |
| May 20, 2019, 2 a.m. | 4.8 ppb (4) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 36.0 ppb (28) | 0.2 ppb (2) | N/A | N/A | 28.0 | |
| May 20, 2019, 1 a.m. | 4.2 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 39.0 ppb (30) | 0.17 ppb (2) | N/A | N/A | 30.0 |